Apple to Begin Stress-Testing iPhone OS 3.0 Push Notification Functions

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Date: Tuesday, May 19th, 2009, 09:03
Category: iPhone, Software

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This week, Apple joined forces with the Associated Press and called upon some of its iPhone developer community to help stress test a Push Notification service scheduled to arrive with iPhone OS 3.0 later this year.
According to AppleInsider, the e-mail stated that “We have selected a pre-release version of the Associated Press app for iPhone OS 3.0 to create a high-volume test environment for our servers.”
The test application, which requires iPhone OS 3.0 beta 5, will activate over the next week and then expire. During this week, “AP will be sending a high-volume of real news alerts” to give Apple an opportunity to monitor how well the system works and what optimizations can be made.
The Push Notification system, which was originally slated to arrive in the fall, was delayed after Apple had apparently underestimated the demands third parties would make of the system. Given these new conditions, Apple pulled the plug and began designing a system that could simultaneously address an audience of tens of millions of iPhone and iPod touch users.
The planned iPhone OS 3.0 Push Notification system for sending alerts from third party application developers to mobile users is believed to use the same technology as its push notification system for MobileMe and the push notification system planned for Mac OS X Snow Leopard Server.
In all cases, the alert being “pushed” is minimal, essentially a tweet that indicates more information is ready. The notification alerts act like an instant message because that’s exactly what they are; an analysis of MobileMe push messages indicates Apple is using the open source XMPP (eXtensible Messaging and Presence Protocol), used in Jabber.
The XMPP feature can allow a variety of applications to alert the user as to changes and updates and the technology could find its way into e-mail, calendar and contact changes via Apple’s MobileMe cloud services.

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